girepository: Add gthash test to tests and run it

girepository/gthash.c

@@ -131,6 +131,7 @@ gi_typelib_hash_builder_prepare (GITypelibHashBuilder *builder)
   builder->dirmap_offset = ALIGN_VALUE (offset, 4);
   builder->packed_size = builder->dirmap_offset + (num_elts * sizeof(guint16));
  out:
+  g_strfreev (strs);
   cmph_config_destroy (config);
   cmph_io_vector_adapter_destroy (io);
   return builder->buildable;

girepository/tests/gthash.c

@@ -53,6 +53,8 @@ test_build_retrieve (void)
   g_assert (gi_typelib_hash_search (buf, "ZLibDecompressor", 4) == 42);
   g_assert (gi_typelib_hash_search (buf, "VolumeMonitor", 4) == 9);
   g_assert (gi_typelib_hash_search (buf, "FileMonitorFlags", 4) == 31);
+
+  g_free (buf);
 }
 
 int

girepository/tests/meson.build

@@ -3,6 +3,7 @@ girepository_tests = {}
 # Some GIR files are needed to test against
 if enable_gir
   girepository_tests += {
+    'gthash' : {},
     'repository' : {
       'depends': [glib_gir, gobject_gir],
     },